High School

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A can has a radius of 2 inches and a volume of 62.8 cubic inches. Find the height of the can.

a. Use the formula [tex]V = \pi \times r^2 \times h[/tex] to solve for the height [tex]h[/tex].
b. Use your formula to find the height of the can. Use 3.14 for [tex]\pi[/tex].

Answer :

Final answer:

To find the height of the can, we use the volume formula of a cylinder, V = πr²h, with the given volume and radius. Upon calculating, we determine the height of the can to be approximately 5 inches.

Explanation:

To find the height of a cylinder when given the volume and the radius, you would use the formula for the volume of a cylinder, which is V = πr²h. In this case, the radius (r) is 2 inches and the volume (V) is 62.8 cubic inches. We are asked to solve for the height of the cylinder (h). First, substitute the given values into the formula:

62.8 = 3.14 × (2²) × h

Next, calculate the area of the base (which is the circle with radius 2 inches):

A = πr² = 3.14 × 2² = 3.14 × 4 = 12.56 square inches

Now, to find h, we divide the volume by the area of the base:

h = V / A = 62.8 / 12.56

h ≈ 5 inches

Therefore, the height of the can is approximately 5 inches.

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Rewritten by : Jeany